Home / 30,475,588.79-42,054,129.02-17,423,397.83

Finding the Fourth Proportional to 30,475,588.79, 42,054,129.02 and 17,423,397.83

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Solution

The fourth proportional to 30,475,588.79, 42,054,129.02 and 17,423,397.83 is: 24,043,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,475,588.79 : 42,054,129.02 = 17,423,397.83 : x
  2. Step 2: Convert to fraction form
    30,475,588.79/42,054,129.02 = 17,423,397.83/x
  3. Step 3: Cross multiply
    30,475,588.79x = 42,054,129.02 × 17,423,397.83
  4. Step 4: Simplify right side
    30,475,588.79x = 732,725,820,012,220.38
  5. Step 5: Solve for x
    x = 732,725,820,012,220.38/30,475,588.79
  6. Step 6: Final answer
    x = 24,043,040.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.